[tortoise]

Describe  each  of  the  following  as  a  chemical  change,  a
physical change, or both.

1/
(a) A wet towel dries in the sun. --- Physical
(b) Lemon juice is added to tea, causing its color to change. --- Chemical
(c) Hot  air  rises over  a  radiator.  --- Physical
(d) Coffee  is brewed by passing hot water through ground coffee.  --- Physical
(e) Dynamite explodes. --- Both

2/
(a) Powdered  sulfur  is  heated, first melting  and  then burning.  --- Both
(b) Alcohol  is evaporated by heating. --- Physical
(c) Transparent  rock  candy  (pure  sugar  crystals)  is  finely  ground  into  an  opaque  white  powder.
(d)  Chlorine  gas  is  bubbled  through  concentrated  sea water,  releasing  liquid  bromine. --- Chemical
(e)  Electricity  is  passed through  water,  resulting  in  the  evolution  of  hydrogen and oxygen gases.  --- Chemcial
(f ) An  ice  cube  in  your glass of water melts. --- Physical

Correct me, please.
Thanks in advance.

[Borek]

You have missed 2c, but all others seem OK.

[tortoise]

Oh, really?

2c) Transparent  rock  candy  (pure  sugar  crystals)  is  finely  ground  into  an  opaque  white  powder. --- Physical

Is it right? I can not understand the statement clearly...

Thank you, Borek